void DisplayList::UpdateButton(SObject* obj, int newState)
// Add or remove child characters so that the button matches newState
{
SCharacter* ch = obj->character;
if ( ch->type != buttonChar )
return;
int oldState = obj->state;
if ( oldState == newState ) return;
U8 * cxData = ch->button.cxformData;
ScriptPlayer* player = ch->player;
for ( int pass = 0; pass < 2; pass++ ) {
SParser parser;
parser.Attach(ch->data, 0);
if ( ch->tagCode == stagDefineButton2 )
parser.GetWord(); // skip the action offset
SParser cxParser;
if ( cxData )
cxParser.Attach(cxData, 0);
for (;;) {
U8 stateFlags = parser.GetByte();
if ( !stateFlags ) break;
PlaceInfo info;
info.flags = splaceCharacter|splaceMatrix|splaceColorTransform;
U16 tag = parser.GetWord();
info.depth = obj->depth + parser.GetWord();
parser.GetMatrix(&info.mat);
if ( ch->tagCode == stagDefineButton2 )
parser.GetColorTransform(&info.cxform, true); // new style button
else if ( cxData )
cxParser.GetColorTransform(&info.cxform, false);// separate cxfrom data
else
info.cxform.Clear(); // no cxform data
// Remove the objects first and then add in case we have conflicting layer/id combos
BOOL newVis = stateFlags & btnStateMap[newState];
BOOL oldVis = stateFlags & btnStateMap[oldState];
if ( pass == 0 && !newVis && oldVis ) {
// Remove the child
RemoveObject(obj, info.depth);
}
if ( pass == 1 && newVis && !oldVis ) {
// Add the child
info.character = player->FindCharacter(tag);
info.name = 0;
if ( info.character )
PlaceObject(obj, &info);
}
}
}
obj->state = newState;
}
void DisplayList::DoButtonAction(SObject* target, int transition)
{
SCharacter* ch = target->character;
FLASHASSERT(ch->type == buttonChar);
if ( ch->tagCode == stagDefineButton2 ) {
// Handle the new style button
SParser parser;
parser.Attach(ch->data, 0);
BOOL first = true;
for (;;) {
S32 link = parser.pos;
int offset = parser.GetWord();
if ( !first ) {
int code = parser.GetWord();
if ( code & (1<<transition) ) {
PushAction(parser.script+parser.pos, target->thread);
}
}
if ( !offset ) break;
parser.pos = link + offset;
first = false;
}
} else {
// Handle the old style button
if ( transition == bsOverDownToOverUp ) {
// Do the button action on the mouse up in
SParser parser;
parser.Attach(ch->data, 0);
// Skip over the child data
for (;;) {
U8 stateFlags = parser.GetByte();
if ( !stateFlags ) break;
MATRIX m;
parser.SkipBytes(4);//GetWord();
//parser.GetWord();
parser.GetMatrix(&m);
}
// Handle the action
PushAction(parser.script+parser.pos, target->thread);
}
}
#ifdef SOUND
{// Play the sound
int state = 0;
switch ( transition ) {
case bsIdleToOverDown:
case bsIdleToOverUp:
state = sbtnOverState;
break;
case bsOverUpToOverDown:
state = sbtnDownState;
break;
case bsOverDownToOverUp:
state = sbtnHitTestState;
break;
case bsOverUpToIdle:
case bsOutDownToIdle:
case bsOverDownToIdle:
state = sbtnUpState;
break;
}
if ( state && ch->button.soundData ) {
SParser parser;
parser.Attach(ch->button.soundData, 0);
// Skip the sounds
for ( int i = 1; i < state; i <<= 1 ) {
U16 tag = parser.GetWord();
if ( tag )
parser.GetSoundInfo(0);// skip the data
}
// Get the sound we want
U16 tag = parser.GetWord();
if ( tag ) {
SCharacter* sound = ch->player->FindCharacter(tag);
if ( !sound || sound->type != soundChar ) return;
CSoundChannel* channel = new CSoundChannel();
if ( channel ) {
channel->AddRef();
channel->sound = &sound->sound;
channel->tag = (U32)this;
parser.GetSoundInfo(channel); // set up envelope, inPoint, loops, etc...
theSoundMix->AddSound(channel);
channel->Release();
}
}
}
}
#endif
}